JS 在前台判断文件大小
<html>
<title>aa</title>
<script type="text/javascript">
function getFileSize(obj) {
var size = 0;
if(navigator.userAgent.indexOf("MSIE")>0){
var fso = new ActiveXObject("Scripting.FileSystemObject");
var file = fso.GetFile(obj.value);
size = file.size;
}else {
size = obj.files[0].size;
}
alert(size);
}
</script>
<body>
<INPUT TYPE="file" NAME="file" SIZE="30" onchange="getFileSize(this)">
<form>
<input type="text"/>
<select>
<option>ddd</option>
<option>ccc</option>
</select>
<a href="#C">aa</a>
<a name="C">aaddddddddddd</a>
</form>
<script type="text/javascript">
document.cookie = "name=aaa";
alert(document.cookie);
var reg = new RegExp("\d+", "i");
alert(reg instanceof Object);
alert(reg.test("123"));
alert(/d+/.test("123"));
</script>
</body>
</html>声明：该文观点仅代表作者本人，牛骨文系教育信息发布平台，牛骨文仅提供信息存储空间服务。
